Understanding monthly quotas and per‑minute rate limits
A guide to OpenFoot API’s monthly quota and per‑minute rate limits, how to read the RateLimit headers, and how to design a client that respects both.
6 min readRead guide
FOOTBALL DATA NOTES
Football API guides for people building real products.
Practical explanations, implementation examples and honest limits—written around the data decisions developers face before shipping.
Why an empty array is a bad answer in OpenFoot API
Learn why an empty array hides missing competition data, how OpenFoot reports unavailable competitions, and how to handle it versus real errors.
6 min readRead guide
Keeping a single team identifier across varied source names
Learn how OpenFoot API maintains a single stable team identifier despite differing upstream name spellings and why slugifying raw names can fragment identity.
6 min readRead guide
How to Choose a Football API With xG Data (2026 Guide)
xG is the feature most football APIs gate behind enterprise pricing. Here's what xG data you actually need, which providers expose it, and the five questions to ask before you pay.
6 min readRead guide
Best Football Data API in 2026: 4 Options Compared (Price, xG, Coverage)
An honest comparison of football data APIs in 2026 — API-Football, Sportmonks, football-data.org and OpenFootAPI — on price, request limits, xG and lineup access.
7 min readRead guide
Football Data API Guide: Fixtures, Results and Match Context
Learn what a football data API returns, how coverage and freshness differ, and what to check before integrating one into an application.
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How to Use a Football API in JavaScript
A practical JavaScript tutorial for requesting football fixtures, checking errors, rendering match data and adding bearer-key authentication.
8 min readRead guide
Free Football API: What Open Data Can and Cannot Do
Understand when a free football API is enough, where open football data comes from, and which technical and licensing limits matter.
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Football Match Context Explained: Form, Elo, Rest and Head-to-Head
Understand how form, Elo-style ratings, rest days, table position and head-to-head records turn raw football results into useful context.
8 min readRead guide